Either the voltage relay's point gap needs to be increased a bit or
also check to make sure the motor is properly and sufficiently
grounded.
On 8/2/11, Austin Healey <pajtamuvek at gmail.com> wrote:
> Hi Ron,
>
> I just did my setup yesterday.
> Here are my experiences. Systems fitted with dynamos are rarely charging
> 13.6 at idle (esp. if idling speed of the engine is as low as on a Healey) .
> They usualy only "come in" to turn of the ign. light, but not much charge at
> all. Normaly I get the right 14.2-14.4 charge at 1000-1200rpm. Anything
> above 15V should be considered faulty. Overcharging will boil the battery
> and may even kill some units (like bulbs, electric rev counters etc).
> Voltage drop should be checked with the engine reved a bit (let say 2K). The
> drop should not be significant there.
>
> Gergo
>
> 2011/8/1 Ron Mitchell <healeyron at yahoo.com>
>
>> B Hi,
>>
>> I'm in need of some expert advise on the proper operation of a Lucas
>> Charging System.B Here is my concern.
>>
>> I recently had my C45-P5 Generator
>> rebuilt.B After installing it with a Part No. 37206 RB
>> 108 2 B 12V. NOS Lucas
>> control box I
>> cleaned the points and adjusted the point settings per
>> instructions from Lucas
>> Technical Correspondence course session
>> 5.
>> B
>> I then
>> conducted B the test as instructed by the Technical
>> Correspondence course
>> session 5.
>> I installed a Volt Gage to confirm that the idiot light
>> is
>> accurately informing me of a valid charging system.
>>
>> At idle speed the system
>> is charging at 13.6 volts.B At highway speed with RPMb s around 2500 to
>> 3000
>> RPM the system is charging at 15.6 to 16 volts.B This conforms to the
>> stationary tests I've conducted of the
>> system.
>> When I turn the lights on Ib m
>> only charging around 13.5
>> volts at speed or idle.
>> B
>> My questions are should
>> the charging system be that
>> dramatically different with the lights on?B
>> Will my Generatorb s armature overheat from constantly trying to charge
>> the
>> battery with the settings I have set it to?B
>>
>> Will charging values at 15.6
>> to 16 Volts at highway speeds overcharge the
>> Battery and boil out the fluids.
>> B
>> I havenb t found any answers to these questions on the
>> internet so I
>> thought I would ask the experts.
>> B
>> My questions are prompted by an incident
>> last year whenB I experienced a generator failure after leaving Encounter
>> 2010.B I had a shop in Elkton Maryland where my
>> daughter lives install a
>> Generator and Control Box to the tune of $675
>> dollars.B After leaving my
>> daughters house
>> in Elkton I had a complete electrical failure about 300 miles
>> out and 365 miles
>> from my home.B I had the car flat bedded
>> home by AAA.B
>> That was an additional $927
>> to add to the repairs cost.B The Generator
>> re-builder that I use said that the armature had overheated and thrown out
>> all
>> the
>> solder.B He felt the cause was an
>> improperly adjusted Control Box.B I
>> just
>> want to make sure that my system is working properly and Ib m not going
>> to
>> destroy another generator.
>>
>>
>> FOOTNOTE:B If you're ever in Elkton, MD and
>> need service on your classic or domestic car, steer clear of Chris's
>> Domestic
>> & Foreign Car Service.B He wouldn't stand behind any of his complete
>> service
>> and parts warranty.
>>
>> B
>> Any input will be appreciated.
>> Ron Mitchell, Goodrich
>> Michigan B 1962 MkII BN7
>> _______________________________________________
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> _______________________________________________
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